| http://www.w3.org/ns/prov#value | - BACKGROUND OF THE INVENTION [0003] There are many types of medical devices that are inserted into a patient's body, such as tubes, catheters, needles, trocars or other introducer sheathes and the like, through which catheters, needles or other medical devices can be introduced into a patient's body in order to perform a medical operation.
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